antigravity

[ an-tee-grav-i-tee, an-tahy- ]

/ ˌæn tiˈgræv ɪ ti, ˌæn taɪ- /

Physics. the antithesis of gravity; a hypothetical force by which a body of positive mass would repel a body of negative mass.

(not in technical use) a controllable force that can be made to act against the force of gravity.

(not in technical use) counteracting the force of gravity: The antigravity drive in this spaceship will enable us to reach Polaris.

Origin of antigravity

First recorded in 1940–45; anti- + gravity

Then we have to find out what's causing the rash of accidents that is holding up Dr. Theodore Nordred's antigravity project.

Fifty Per Cent Prophet |Gordon Randall Garrett
Course you don't need much of a rocket when you have antigravity.

We Didn't Do Anything Wrong, Hardly |Roger Kuykendall
It's supposed to have antigravity powers, too, like whatever it was that took Superior up in the first place.

And Then the Town Took Off |Richard Wilson
Like the radar he made out of a TV set and the antigravity and the atomic power plant he invented to run it all with.

We Didn't Do Anything Wrong, Hardly |Roger Kuykendall

A rocket works against gravity, but they don't call that antigravity, do they?

By Proxy |Gordon Randall Garrett